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<FONT color="green">001</FONT>    package org.hackystat.sensorbase.uricache;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.File;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.io.FileInputStream;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.io.FileOutputStream;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.io.IOException;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.Properties;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    /**<a name="line.9"></a>
<FONT color="green">010</FONT>     * Encapsulates the UriCache description for sensorbase use.<a name="line.10"></a>
<FONT color="green">011</FONT>     * <a name="line.11"></a>
<FONT color="green">012</FONT>     * @author Pavel Senin.<a name="line.12"></a>
<FONT color="green">013</FONT>     * <a name="line.13"></a>
<FONT color="green">014</FONT>     */<a name="line.14"></a>
<FONT color="green">015</FONT>    public class UriCacheDescription {<a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>      /** The user email key. */<a name="line.17"></a>
<FONT color="green">018</FONT>      public static final String CREATION_TIME_KEY = "uricache.time.creation";<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>      /** System deafult file separator. */<a name="line.20"></a>
<FONT color="green">021</FONT>      private static final String fileSeparator = System.getProperty("file.separator");<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>      /** The host key. */<a name="line.23"></a>
<FONT color="green">024</FONT>      public static final String HOST_KEY = "uricache.host";<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>      /** The user email key. */<a name="line.26"></a>
<FONT color="green">027</FONT>      public static final String USER_EMAIL_KEY = "uricache.user.email";<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>      /** The actual cache name (filename) */<a name="line.29"></a>
<FONT color="green">030</FONT>      private String cacheName;<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>      /** The properties provided for the construction. */<a name="line.32"></a>
<FONT color="green">033</FONT>      private Properties properties;<a name="line.33"></a>
<FONT color="green">034</FONT>    <a name="line.34"></a>
<FONT color="green">035</FONT>      /**<a name="line.35"></a>
<FONT color="green">036</FONT>       * Instantiates CacheDescription by loading properties from the file provided.<a name="line.36"></a>
<FONT color="green">037</FONT>       * <a name="line.37"></a>
<FONT color="green">038</FONT>       * @param f the cache description file.<a name="line.38"></a>
<FONT color="green">039</FONT>       * @throws IOException if unable to open or parse the file.<a name="line.39"></a>
<FONT color="green">040</FONT>       */<a name="line.40"></a>
<FONT color="green">041</FONT>      public UriCacheDescription(File f) throws IOException {<a name="line.41"></a>
<FONT color="green">042</FONT>        this.properties = new Properties();<a name="line.42"></a>
<FONT color="green">043</FONT>        FileInputStream stream = null;<a name="line.43"></a>
<FONT color="green">044</FONT>        stream = new FileInputStream(f.getAbsolutePath());<a name="line.44"></a>
<FONT color="green">045</FONT>        this.properties.load(stream);<a name="line.45"></a>
<FONT color="green">046</FONT>        this.cacheName = f.getName().substring(0, f.getName().indexOf(".desc"));<a name="line.46"></a>
<FONT color="green">047</FONT>        stream.close();<a name="line.47"></a>
<FONT color="green">048</FONT>      }<a name="line.48"></a>
<FONT color="green">049</FONT>    <a name="line.49"></a>
<FONT color="green">050</FONT>      /**<a name="line.50"></a>
<FONT color="green">051</FONT>       * Instantiates CacheDescription by setting properties as provided.<a name="line.51"></a>
<FONT color="green">052</FONT>       * <a name="line.52"></a>
<FONT color="green">053</FONT>       * @param cacheNameBase specifies cache name, the timestamp will be added to this base .<a name="line.53"></a>
<FONT color="green">054</FONT>       * @param sensorBaseHost specifies sensorbase host.<a name="line.54"></a>
<FONT color="green">055</FONT>       * @param userEmail specifies user e-mail used for authorization.<a name="line.55"></a>
<FONT color="green">056</FONT>       */<a name="line.56"></a>
<FONT color="green">057</FONT>      public UriCacheDescription(String cacheNameBase, String sensorBaseHost, String userEmail) {<a name="line.57"></a>
<FONT color="green">058</FONT>        this.properties = new Properties();<a name="line.58"></a>
<FONT color="green">059</FONT>        Long creationTime = System.currentTimeMillis();<a name="line.59"></a>
<FONT color="green">060</FONT>        this.cacheName = cacheNameBase + creationTime;<a name="line.60"></a>
<FONT color="green">061</FONT>        this.properties.setProperty(HOST_KEY, sensorBaseHost);<a name="line.61"></a>
<FONT color="green">062</FONT>        this.properties.setProperty(USER_EMAIL_KEY, userEmail);<a name="line.62"></a>
<FONT color="green">063</FONT>        this.properties.setProperty(CREATION_TIME_KEY, creationTime.toString());<a name="line.63"></a>
<FONT color="green">064</FONT>      }<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>      /**<a name="line.66"></a>
<FONT color="green">067</FONT>       * Reports the cache creation time.<a name="line.67"></a>
<FONT color="green">068</FONT>       * <a name="line.68"></a>
<FONT color="green">069</FONT>       * @return the cache name.<a name="line.69"></a>
<FONT color="green">070</FONT>       */<a name="line.70"></a>
<FONT color="green">071</FONT>      public Long getCreationTime() {<a name="line.71"></a>
<FONT color="green">072</FONT>        return Long.valueOf(this.properties.getProperty(CREATION_TIME_KEY));<a name="line.72"></a>
<FONT color="green">073</FONT>      }<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>      /**<a name="line.75"></a>
<FONT color="green">076</FONT>       * Reports the cache name.<a name="line.76"></a>
<FONT color="green">077</FONT>       * <a name="line.77"></a>
<FONT color="green">078</FONT>       * @return the cache name.<a name="line.78"></a>
<FONT color="green">079</FONT>       */<a name="line.79"></a>
<FONT color="green">080</FONT>      public String getName() {<a name="line.80"></a>
<FONT color="green">081</FONT>        return this.cacheName;<a name="line.81"></a>
<FONT color="green">082</FONT>      }<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>      /**<a name="line.84"></a>
<FONT color="green">085</FONT>       * Reports sensorbase host for this cache.<a name="line.85"></a>
<FONT color="green">086</FONT>       * <a name="line.86"></a>
<FONT color="green">087</FONT>       * @return sensorbase host.<a name="line.87"></a>
<FONT color="green">088</FONT>       */<a name="line.88"></a>
<FONT color="green">089</FONT>      public String getsensorBaseHost() {<a name="line.89"></a>
<FONT color="green">090</FONT>        return this.properties.getProperty(HOST_KEY);<a name="line.90"></a>
<FONT color="green">091</FONT>      }<a name="line.91"></a>
<FONT color="green">092</FONT>    <a name="line.92"></a>
<FONT color="green">093</FONT>      /**<a name="line.93"></a>
<FONT color="green">094</FONT>       * Reports user e-mail.<a name="line.94"></a>
<FONT color="green">095</FONT>       * <a name="line.95"></a>
<FONT color="green">096</FONT>       * @return user e-mail.<a name="line.96"></a>
<FONT color="green">097</FONT>       */<a name="line.97"></a>
<FONT color="green">098</FONT>      public String getUserEmail() {<a name="line.98"></a>
<FONT color="green">099</FONT>        return this.properties.getProperty(USER_EMAIL_KEY);<a name="line.99"></a>
<FONT color="green">100</FONT>      }<a name="line.100"></a>
<FONT color="green">101</FONT>    <a name="line.101"></a>
<FONT color="green">102</FONT>      /**<a name="line.102"></a>
<FONT color="green">103</FONT>       * Saves the properties in the path provided.<a name="line.103"></a>
<FONT color="green">104</FONT>       * <a name="line.104"></a>
<FONT color="green">105</FONT>       * @param path path to the folder where description must be saved "cache home".<a name="line.105"></a>
<FONT color="green">106</FONT>       * @throws IOException when IO error encountered.<a name="line.106"></a>
<FONT color="green">107</FONT>       */<a name="line.107"></a>
<FONT color="green">108</FONT>      public void save(String path) throws IOException {<a name="line.108"></a>
<FONT color="green">109</FONT>        FileOutputStream stream = new FileOutputStream(path + fileSeparator + this.cacheName + ".desc");<a name="line.109"></a>
<FONT color="green">110</FONT>        this.properties.store(stream, "The UriCache properties file");<a name="line.110"></a>
<FONT color="green">111</FONT>        stream.close();<a name="line.111"></a>
<FONT color="green">112</FONT>      }<a name="line.112"></a>
<FONT color="green">113</FONT>    }<a name="line.113"></a>




























































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